Home / 18,275.81-27,415.13-5,796.54

Finding the Fourth Proportional to 18,275.81, 27,415.13 and 5,796.54

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Solution

The fourth proportional to 18,275.81, 27,415.13 and 5,796.54 is: 8,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.81 : 27,415.13 = 5,796.54 : x
  2. Step 2: Convert to fraction form
    18,275.81/27,415.13 = 5,796.54/x
  3. Step 3: Cross multiply
    18,275.81x = 27,415.13 × 5,796.54
  4. Step 4: Simplify right side
    18,275.81x = 158,912,868.67
  5. Step 5: Solve for x
    x = 158,912,868.67/18,275.81
  6. Step 6: Final answer
    x = 8,695.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.